package com.nan.queue;

public class Main {
    public static void main(String[] args) {
        CQueue cQueue = new CQueue();
        cQueue.appendTail(1);
        cQueue.appendTail(2);
        cQueue.appendTail(3);
        System.out.println(cQueue.deleteHead());
        System.out.println(cQueue.deleteHead());
        System.out.println(cQueue.deleteHead());
    }
}
